
<nav class="navbar navbar-inverse " role="navigation">
    <div class="container-fluid">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle" data-toggle="collapse"
                    data-target="#example-navbar-collapse">
                <span class="sr-only">切换导航</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="/" style="color: whitesmoke"> 护蕾行动 </a>
        </div>

        <div class="collapse navbar-collapse " id="example-navbar-collapse">
            <ul class="nav navbar-nav" style="">
                <li><a href="/"> 知识园区 </a></li>
                <li><a href="/treeshole"> 树洞社区 </a></li>
                <li><a href="/news"> 新闻动态 </a></li>
                <li><a href="/cargo"> 干货分享 </a></li>
                <li><a href="/aboutme"> 关于我们 </a></li>
                <li><a href="/message"> 留言板 </a></li>
            </ul>
        </div>
    </div>
</nav>